-68.44% is the change from 450 to 142
Calculation steps:
[( 142 - 450 ) ÷ 450] x 100 = -68.44%
Formula
Percentage change = [(142 - 450) / 450] x 100
Subtract the new number by the original number
142 - 450 = -308
-308 ÷ 450 = -0.6844444444444444
-0.6844444444444444 x 100 = -68.44%